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Earnings Per Share | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | EARNINGS PER SHARE Basic and diluted earnings per share are based on the weighted average number of shares of common stock and potential common stock outstanding during the period. Potential common stock, for purposes of determining diluted earnings per share, includes the effects of dilutive RSUs, stock options and convertible securities. The effect of such potential common stock is computed using the treasury stock method or the if-converted method, as applicable. The following table is a reconciliation of the numerator and denominator of the basic and diluted earnings per share computation for income from continuing operations for the three and nine months ended September 30, 2018 and 2017, where income represents the numerator and weighted average shares represent the denominator.
Three Months Ended September 30, | 2018 |  | 2017
(in millions, except per share data) | Income |  | Shares |  | $ per Share |  | Income |  | Shares |  | $ per Share
BASIC EARNINGS PER SHARE |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations attributable to The AES Corporation common stockholders | $ | 102 |  |  | 662 |  |  | $ | 0.15 |  |  | $ | 147 |  |  | 660 |  |  | $ | 0.22 |
EFFECT OF DILUTIVE SECURITIES |  |  |  |  |  |  |  |  |  |  |
Restricted stock units | — |  |  | 3 |  |  | — |  |  | — |  |  | 3 |  |  | — |
DILUTED EARNINGS PER SHARE | $ | 102 |  |  | 665 |  |  | $ | 0.15 |  |  | $ | 147 |  |  | 663 |  |  | $ | 0.22 |
Nine Months Ended September 30, | 2018 |  | 2017
(in millions, except per share data) | Income |  | Shares |  | $ per Share |  | Income |  | Shares |  | $ per Share
BASIC EARNINGS PER SHARE |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations attributable to The AES Corporation common stockholders | $ | 883 |  |  | 661 |  |  | $ | 1.33 |  |  | $ | 176 |  |  | 660 |  |  | $ | 0.27 |
EFFECT OF DILUTIVE SECURITIES |  |  |  |  |  |  |  |  |  |  |
Restricted stock units | — |  |  | 3 |  |  | — |  |  | — |  |  | 2 |  |  | — |
DILUTED EARNINGS PER SHARE | $ | 883 |  |  | 664 |  |  | $ | 1.33 |  |  | $ | 176 |  |  | 662 |  |  | $ | 0.27 |
The calculation of diluted earnings per share excluded stock awards and convertible debentures which would be anti-dilutive. The calculation of diluted earnings per share excluded 2 million and 6 million stock awards outstanding for the three and nine months ended September 30, 2018 and 2017, respectively, that could potentially dilute basic earnings per share in the future.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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